N˚

Food stuff

Use value 1: calm hunger

Use value 2: Cure hypertension

Predictable market value

Real market value

1

X

P1x

P2x

P1x + P2x

[P1y + P2x, P1z + P2x]

2

Y

P1y with P1y > P1x

P2y = 0

P1y

P1y

3

Z

P1z with P1z > P1y

P2z = 0

P1z

P1z